Developer Tools
Format, encode, decode and debug with the daily driver dev utilities.
60 free tools in this collection, and every single one runs instantly in your browser. No sign-up, no uploads, nothing to install.
Browse 60 tools
60 tools
Developer Tools Collection
Instantly format complex, minified JSON data into a clean, indented, and readable tree structure for easy debugging.
JSON Formatter
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Remove all unnecessary whitespace and line breaks from JSON files to reduce size and speed up web loading.
JSON Minifier
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Instantly scan your JSON data for syntax errors, validating its structure and highlighting exact error locations.
JSON Validator
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Flatten nested JSON data and convert it into clean CSV format for easy use in Excel and databases.
JSON to CSV Converter
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Transform tabular CSV data into structured JSON format, ready for use in modern web APIs and applications.
CSV to JSON Converter
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Convert JSON data structures into XML tags to ensure compatibility with legacy systems and SOAP web services.
JSON to XML Converter
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Clean up and indent compressed XML files to make them highly readable and easier to debug.
XML Formatter
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Alphabetically or custom-sort keys within JSON objects to standardize your data structure and improve readability.
JSON Key Sorter
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Automatically indent and clean up messy HTML code to make it structured, readable, and easy to maintain.
HTML Formatter
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Strip unnecessary whitespace, comments, and line breaks from HTML to reduce file size and improve load times.
HTML Minifier
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Convert special characters in your text into safe HTML entities to prevent rendering issues and XSS attacks.
HTML Entity Encoder
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Instantly convert HTML entities back into their original, readable special characters for proper text display.
HTML Entity Decoder
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Convert special characters in URLs into percent-encoded format to ensure safe transmission over the internet.
URL Encoder
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Decode percent-encoded characters in URLs back to their original readable format for proper link handling.
URL Decoder
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Break down any URL into its core components like protocol, host, path, and query parameters instantly.
URL Parser
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Parse complex URL query strings into structured, readable key-value pairs for easy data extraction and debugging.
Query String Parser
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Instantly encode plain text or binary data into Base64 format for safe transmission over text-based protocols.
Base64 Encoder
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Quickly decode Base64 encoded strings back into their original plain text or binary data format.
Base64 Decoder
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Decode JSON Web Tokens to instantly view and verify their header, payload, and signature data.
JWT Decoder
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Generate unique, RFC-compliant Universally Unique Identifiers instantly for database keys, session IDs, and component tracking.
UUID Generator
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Create universally unique, lexicographically sortable identifiers that combine timestamps and randomness for modern database primary keys.
ULID Generator
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Instantly convert text strings into clean, SEO-friendly URL slugs by removing special characters and spaces.
Slug Generator
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Test, debug, and visualize regular expressions in real time with highlighted matches and detailed explanation tools.
Regex Tester
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Instantly convert Markdown formatted text into clean, semantic HTML code ready for web publishing.
Markdown to HTML
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Render Markdown text into formatted HTML in real time to instantly preview how your content will look.
Markdown Previewer
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Compress JavaScript code by removing whitespace and comments to reduce file size and boost page load speed.
JavaScript Minifier
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Automatically format and indent messy SQL queries to make them clean, readable, and easy to debug.
SQL Formatter
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Instantly convert numbers between binary, decimal, octal, and hexadecimal bases for programming and networking tasks.
Number Base Converter
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Quickly and accurately convert binary number strings into standard decimal format for computational tasks.
Binary to Decimal
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Instantly convert standard decimal numbers into binary format for low-level programming and hardware configuration.
Decimal to Binary
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Convert hexadecimal strings into standard decimal numbers instantly for memory addressing and color code calculations.
Hex to Decimal
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Instantly convert standard decimal numbers into hexadecimal format for programming, networking, and color coding tasks.
Decimal to Hex
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Convert plain text characters into their corresponding binary byte representations for data encoding tasks.
Text to Binary
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Decode binary byte strings back into readable plain text characters instantly and accurately.
Binary to Text
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Convert plain text strings into hexadecimal byte representations for data encoding and debugging purposes.
Text to Hex
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Decode hexadecimal byte strings back into readable plain text characters quickly and accurately.
Hex to Text
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Instantly convert characters to their ASCII decimal codes and vice versa for text encoding tasks.
ASCII Code Converter
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Quickly search and view detailed explanations for any HTTP status code to debug web requests.
HTTP Status Code Lookup
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Instantly find the correct MIME type for any file extension to ensure proper web content delivery.
MIME Type Lookup
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Parse raw user agent strings to extract detailed browser, OS, and device information instantly.
User Agent Parser
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Automatically escape special characters in strings to ensure safe execution in code and prevent injection attacks.
String Escaper
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Instantly remove escape characters from strings to restore them to their original, readable plain text format.
String Unescaper
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Generate realistic, randomized mock data for testing APIs, databases, and frontend applications without real user data.
Mock Data Generator
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Instantly create complex, randomized JSON structures based on your schema for API testing and development.
Random JSON Generator
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Upload and view CSV files in a clean, interactive table format for quick data inspection and sorting.
CSV Viewer
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Quickly generate perfectly aligned Markdown tables from raw data to format documentation and README files easily.
Markdown Table Generator
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Instantly convert raw data into clean, responsive HTML tables with customizable styling for web pages.
HTML Table Generator
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Generate mock API JSON responses with customizable delays and status codes for frontend testing and development.
Placeholder API Response
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Instantly convert JavaScript object literals into valid, formatted JSON strings for data interchange and API calls.
JS Object to JSON
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Generate TypeScript interfaces and types directly from JSON data to ensure strict type safety in your code.
JSON to TypeScript
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Instantly render and preview raw HTML code in a live sandbox to see how it looks in a browser.
HTML Preview
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Compare two blocks of code side-by-side to instantly highlight added, removed, or changed lines.
Code Diff Checker
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Instantly convert data sizes between bytes, kilobytes, megabytes, and gigabytes for storage and bandwidth calculations.
Byte Size Converter
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Convert standard numbers to Roman numerals and vice versa for historical, educational, or design purposes.
Roman Numeral Converter
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Inspect and identify every Unicode character in your text, revealing hidden symbols and exact code points.
Unicode Inspector
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Convert plain text into stylized ASCII art banners using various fonts for retro terminal aesthetics.
ASCII Art Text
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Parse complex cron expressions into plain English to easily understand and schedule automated tasks.
Cron Expression Explainer
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Calculate Linux file permissions visually and generate the exact numeric chmod command for secure server management.
Chmod Calculator
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Search and generate the correct Git commands for branching, merging, and resolving repository conflicts easily.
Git Command Helper
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Extract specific data from complex JSON structures using JSONPath expressions to navigate and filter nested objects.